If you're interested in a particular solar panel model, determine when this panel was created. There are very efficient modern solar technologies; however, iffy solar energy salespeople sometimes sell old technology. This older technology is more affordable but you will get much better results with a more recent product.
Having read the article above, you should now have a better understanding of how solar energy works. Use the information provided to help you make the decision as to whether or not you should invest in this form of alternative energy. At the end of the day, you will be helping the environment, and reducing your expenses on power.
If your roof cannot to support the weight of photo-voltaic solar panels, you can save a lot of money by investing in thin film solar panels. These panels are very light and flexible, which makes the installation much easier and affordable. Their higher price is also justified by their efficiency.
Solar Water Heater is used for heating water with the help of sun rays.